DCI (Wizards of the Coast) (Paperback)

High Quality Content by WIKIPEDIA articles! The DCI (formerly, Duelists' Convocation International) is the official sanctioning body for competitive play in Magic: The Gathering and various other games produced by Wizards of the Coast and its subsidiaries, such as Avalon Hill. The DCI provides game rules, tournament operating procedures, and other materials to private tournament organizers and players. It also operates a judge certification program to provide consistent rules enforcement and promote fair play.